1 to 25 of 72 Python Engineer Jobs in London

Founding Backend Engineer | Python, TypeScript, LLMs, RAG | Seed-Funded B2B SaaS | £100,000 - £160,000 + Early Stage Equity | London, Hybrid | Can Sponsor + Relocate

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
City of London, London, United Kingdom
Founding Backend Engineer | Python, TypeScript, LLMs, RAG | Seed-Funded B2B SaaS | £100,000 - £160,000 + Early Stage Equity | London, Hybrid | Can Sponsor + Relocate The Company We’re supporting a well-funded Seed-stage B2B SaaS startup backed by top-tier European investors. They are automating … next phase is product expansion, deeper automation, and building intelligent systems that turn unstructured data into actionable insights at scale. About the Founding Backend Engineer | Python, TypeScript, LLMs, RAG | Seed-Funded B2B SaaS | £100,000 - £160,000 + Early Stage Equity | London, Hybrid | Can Sponsor + Relocate ...

Founding Backend Engineer | Python, TypeScript, LLMs, RAG | Seed-Funded B2B SaaS | £100,000 - £160,000 + Early Stage Equity | London, Hybrid | Can Sponsor + Relocate

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
London Area, United Kingdom
Founding Backend Engineer | Python, TypeScript, LLMs, RAG | Seed-Funded B2B SaaS | £100,000 - £160,000 + Early Stage Equity | London, Hybrid | Can Sponsor + Relocate The Company We’re supporting a well-funded Seed-stage B2B SaaS startup backed by top-tier European investors. They are automating … next phase is product expansion, deeper automation, and building intelligent systems that turn unstructured data into actionable insights at scale. About the Founding Backend Engineer | Python, TypeScript, LLMs, RAG | Seed-Funded B2B SaaS | £100,000 - £160,000 + Early Stage Equity | London, Hybrid | Can Sponsor + Relocate ...

Python Engineer

Hiring Organisation
Ncounter LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Principal Python Engineer London | Permanent | Hybrid Ncounter is supporting a global investment firm in hiring a Software Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed … opportunity to build scalable tools and frameworks used across the business. What youll do: Design, develop, and maintain performant, reliable frameworks and services in Python Build productivity tools and platforms that streamline workflows across investment and technology teams Contribute to code reviews and best practices, improving overall development quality ...

Backend Engineer - Python

Hiring Organisation
Oliver Bernard
Location
London Area, United Kingdom
Backend Engineer - Python, Rust Paying £90k-£140K + Equity 5 days a week onsite in Central London Oliver Bernard have partnered with a stealth AI company, founded by world-class engineers with backgrounds from top-tier Silicon Valley firms, is looking to grow its core engineering team … tackling one of the biggest challenges in applied AI: bridging the gap between general models and real-world processes. We’re hiring a Backend Engineer with a strong backend foundation to join a highly technical, fast-moving team. The company is building complex systems that interact with ...

Backend Engineer - Python

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
Backend Engineer - Python, Rust Paying £90k-£140K + Equity 5 days a week onsite in Central London Oliver Bernard have partnered with a stealth AI company, founded by world-class engineers with backgrounds from top-tier Silicon Valley firms, is looking to grow its core engineering team … tackling one of the biggest challenges in applied AI: bridging the gap between general models and real-world processes. We’re hiring a Backend Engineer with a strong backend foundation to join a highly technical, fast-moving team. The company is building complex systems that interact with ...

Senior Backend Engineer Python

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior Backend Software Engineer (Python) Web3 Hybrid (HQ: London) £90k - £150k Plexus has another great opportunity with a Senior Backend Engineer (Python) position. Youll play a pivotal role in designing and building robust, scalable backend systems that form the backbone of Web3-first products. Your work … products. Develop and maintain RESTful APIs using Python. Connect backend services with Web3 technologies, including blockchains, DAOs, and smart contracts. Requirements: Strong proficiency in Python and SQL. Hands-on experience with modern Python web frameworks (FastAPI, Flask, or Django). Solid understanding of cloud infrastructure and deployment environments. ...

Senior Backend Engineer Python

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Senior Backend Software Engineer (Python) Web3 Hybrid (HQ: London) £90k - £150k Plexus has another great opportunity with a Senior Backend Engineer (Python) position. Youll play a pivotal role in designing and building robust, scalable backend systems that form the backbone of Web3-first products click apply ...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length

Hiring Organisation
Owen Thomas | Pending B CorpTM
Location
London, UK
Employment Type
Full-time
Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust ...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
West London, UK
Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust ...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
Central London, UK
Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust ...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
East London, London, United Kingdom
Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust ...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
City of London, London, United Kingdom
Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust ...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
Central London / West End, London, United Kingdom
Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust ...

Python Engineer

Hiring Organisation
Bloc Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£475 per day
Python Engineer Up to £475 Per day inside IR35 Long term contract Remote UK/EU We're looking for a BE Engineer to design and build high-quality backend systems and data pipelines that power the analytics platform. You'll collaborate with engineers and the Product … full software lifecycle, leading on scalable services that ingest, transform and deliver data to our frontend applications and customers. You'll bring strong Python skills, experience with microservices and data ingestion/ETL pipelines , and an eye for clean, maintainable code. Familiarity with AI-assisted dev tools (GitHub Copilot ...

Python Engineer

Hiring Organisation
Bloc Recruitment
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 475 Daily
Python Engineer Up to £475 Per day inside IR35 Long term contract Remote UK/EU We're looking for a BE Engineer to design and build high-quality backend systems and data pipelines that power the analytics platform. You'll collaborate with engineers and the Product ...

Python Software Engineer - Fintech

Hiring Organisation
Run-Time Group Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights sourced … from direct connections to their clients systems. You will be joining a strong team of Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart. If you're an experience Software Engineer whose passionate about Python, excited ...

Data Reporting engineer Python/.Net UK/Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350.00 - £400.00 per hour
currently working with a consulting client looking for a contract Fullstack Data reporting engineer and Python software developer. Fullstack Data reporting engineer (Python/.Net) - Contract: Required Skillset: 5+ years Software engineering experience C# Full Stack .NET development SQL Server & SQL Server Reporting Services Python … data engineering and Power BI Strong SQL knowledge Git/GitHub React/Javascript Experience within NHS or Healthcare sector is a must have Python software developer - Contract: Required Skillset: 5+ years Software engineering experience with Python as the primary backend language, with support for Java and .NET ...

Senior AI Engineer (Full Stack Python, AI, LLMs, LangChain)

Hiring Organisation
Transparent Technology
Location
London, United Kingdom
Employment Type
Permanent
Senior Software Engineer (AI Focus) - £80,000-£140,000 + Benefits + Shares + Bonus | London, Edinburgh, or Manchester | Hybrid (Up to 3 Days Onsite per Week, usually less) Join one of the UK's most exciting AI consultancies, an official OpenAI Global Partner founded by a leadership team … multimillion-pound tech business. They're expanding rapidly and looking for Senior AI/ML Software Engineers (Backend or Full Stack) with strong Python skills and a genuine passion for AI/ML, scalable systems, and modern cloud architecture. You don't need ...

Python Software Engineer

Hiring Organisation
Durlston Partners
Location
London Area, United Kingdom
Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where … global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly ...

Python Software Engineer

Hiring Organisation
Durlston Partners
Location
City of London, London, United Kingdom
Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where … global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly ...

Python Engineer

Hiring Organisation
Ncounter LTD
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Principal Python Engineer London Permanent Hybrid Ncounter is supporting a global investment firm in hiring a Software Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed ...

Python Engineer Financial Services (Contract, Remote)

Hiring Organisation
Alexander Ash Consulting Limited
Location
North London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£460 per day PAYE £420-460/day (cf. £550 umbrella / £95,000-£100,000 y
Python Engineer Financial Services (Contract, Remote) A financial markets firm are looking for experienced Python developers to help contribute to foundational data and systems work as part of their future deployment of AI models within the firm.You will work across a portfolio of middle and back-office … systems projects, building enterprise-grade production systems and data pipelines, principally in Python. 5+ years of experience in commercial software engineering 3+ years in Python developing enterprise production-grade applications/systems Strong understanding of data structures and modern data architecture Basic understanding of financial products and trade flows ...

Python Engineer Financial Services (Contract, Remote)

Hiring Organisation
Alexander Ash Consulting Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 420 - 460 Daily
Python Engineer Financial Services (Contract, Remote) A financial markets firm are looking for experienced Python developers to help contribute to foundational data and systems work as part of their future deployment of AI models within the firm.You will work across a portfolio of middle and back-office ...

Staff Backend Engineer (Python | AI Lab | £170,000)

Hiring Organisation
Paradigm Talent
Location
London Area, United Kingdom
Role: Staff Software Engineer (Python | Backend | Infrastructure) Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI lab pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries … life sciences. As a Staff Backend Engineer , you’ll build the distributed systems and data infrastructure that power the lab’s next-generation biology platform. From model serving to real-time data processing, your work will form the backbone of a platform enabling scientists to explore and manipulate biological ...

Staff Backend Engineer (Python | AI Lab | £170,000)

Hiring Organisation
Paradigm Talent
Location
City of London, London, United Kingdom
Role: Staff Software Engineer (Python | Backend | Infrastructure) Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI lab pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries … life sciences. As a Staff Backend Engineer , you’ll build the distributed systems and data infrastructure that power the lab’s next-generation biology platform. From model serving to real-time data processing, your work will form the backbone of a platform enabling scientists to explore and manipulate biological ...